---- Look! A man is cutting a tree on the moon.----It ______ be true. The teacher said there is no air on the moon.
______ great fun they had singing and dancing last Sunday night!
Not only you but also he ________ to my birthday party.
The floor requires_________.
I think your advice is of great value to me and it’s well worth ________.
Many butterflies are still ____ after the long winter days. Now the forest is ____.